Alder Spittlebug vs Brook Thistle

Aphrophora alni compared with Cirsium rivulare

Key Differences

• Alder Spittlebug is Least Concern while Brook Thistle is Extinct.

Taxonomic Classification

Rank	Alder Spittlebug	Brook Thistle
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Hemiptera (Hemiptera)	Asterales (Daisies & Sunflowers)
Family	Aphrophoridae	Asteraceae (Daisy Family)
Genus	Aphrophora	Cirsium
Species	Aphrophora alni	Cirsium rivulare

Conservation Status

Alder Spittlebug

LC — Least Concern

Brook Thistle

EX — Extinct

Physical Characteristics

Attribute	Alder Spittlebug	Brook Thistle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder Spittlebug

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (United States).

Brook Thistle

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (7 countries).

Alder Spittlebug

The Alder Spittlebug (Aphrophora alni) is a species in the genus Aphrophora. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Brook Thistle

The Brook Thistle (Cirsium rivulare) is a species in the genus Cirsium. It is currently classified as Extinct on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden